Auto-commit 2026-04-29 16:31

node_modules/@protobufjs/utf8/index.js

@@ -0,0 +1,104 @@
+"use strict";
+
+/**
+ * A minimal UTF8 implementation for number arrays.
+ * @memberof util
+ * @namespace
+ */
+var utf8 = exports,
+    replacementChar = "\ufffd";
+
+/**
+ * Calculates the UTF8 byte length of a string.
+ * @param {string} string String
+ * @returns {number} Byte length
+ */
+utf8.length = function utf8_length(string) {
+    var len = 0,
+        c = 0;
+    for (var i = 0; i < string.length; ++i) {
+        c = string.charCodeAt(i);
+        if (c < 128)
+            len += 1;
+        else if (c < 2048)
+            len += 2;
+        else if ((c & 0xFC00) === 0xD800 && (string.charCodeAt(i + 1) & 0xFC00) === 0xDC00) {
+            ++i;
+            len += 4;
+        } else
+            len += 3;
+    }
+    return len;
+};
+
+/**
+ * Reads UTF8 bytes as a string.
+ * @param {Uint8Array} buffer Source buffer
+ * @param {number} start Source start
+ * @param {number} end Source end
+ * @returns {string} String read
+ */
+utf8.read = function utf8_read(buffer, start, end) {
+    if (end - start < 1) {
+        return "";
+    }
+
+    var str = "";
+    for (var i = start; i < end;) {
+        var t = buffer[i++];
+        if (t <= 0x7F) {
+            str += String.fromCharCode(t);
+        } else if (t >= 0xC0 && t < 0xE0) {
+            var c2 = (t & 0x1F) << 6 | buffer[i++] & 0x3F;
+            str += c2 >= 0x80 ? String.fromCharCode(c2) : replacementChar;
+        } else if (t >= 0xE0 && t < 0xF0) {
+            var c3 = (t & 0xF) << 12 | (buffer[i++] & 0x3F) << 6 | buffer[i++] & 0x3F;
+            str += c3 >= 0x800 ? String.fromCharCode(c3) : replacementChar;
+        } else if (t >= 0xF0) {
+            var t2 = (t & 7) << 18 | (buffer[i++] & 0x3F) << 12 | (buffer[i++] & 0x3F) << 6 | buffer[i++] & 0x3F;
+            if (t2 < 0x10000 || t2 > 0x10FFFF)
+                str += replacementChar;
+            else {
+                t2 -= 0x10000;
+                str += String.fromCharCode(0xD800 + (t2 >> 10));
+                str += String.fromCharCode(0xDC00 + (t2 & 0x3FF));
+            }
+        }
+    }
+
+    return str;
+};
+
+/**
+ * Writes a string as UTF8 bytes.
+ * @param {string} string Source string
+ * @param {Uint8Array} buffer Destination buffer
+ * @param {number} offset Destination offset
+ * @returns {number} Bytes written
+ */
+utf8.write = function utf8_write(string, buffer, offset) {
+    var start = offset,
+        c1, // character 1
+        c2; // character 2
+    for (var i = 0; i < string.length; ++i) {
+        c1 = string.charCodeAt(i);
+        if (c1 < 128) {
+            buffer[offset++] = c1;
+        } else if (c1 < 2048) {
+            buffer[offset++] = c1 >> 6       | 192;
+            buffer[offset++] = c1       & 63 | 128;
+        } else if ((c1 & 0xFC00) === 0xD800 && ((c2 = string.charCodeAt(i + 1)) & 0xFC00) === 0xDC00) {
+            c1 = 0x10000 + ((c1 & 0x03FF) << 10) + (c2 & 0x03FF);
+            ++i;
+            buffer[offset++] = c1 >> 18      | 240;
+            buffer[offset++] = c1 >> 12 & 63 | 128;
+            buffer[offset++] = c1 >> 6  & 63 | 128;
+            buffer[offset++] = c1       & 63 | 128;
+        } else {
+            buffer[offset++] = c1 >> 12      | 224;
+            buffer[offset++] = c1 >> 6  & 63 | 128;
+            buffer[offset++] = c1       & 63 | 128;
+        }
+    }
+    return offset - start;
+};